Dates
| Start Date | January 1, 2013 |
|---|---|
| End Date | December 31, 2013 |
Rank Dumau 2013 Events
| Event | Event Date |
|---|---|
| DUMAU JIU JITSU CHAMPIONSHIP 2013 | Sep 15, 2013 |
| DUMAU OPEN JIU JITSU CHAMPIONSHIP 2013 | Sep 21, 2013 |
| DUMAU CHALLENGE 2013 (White - Blue - Purple Adult) | Oct 13, 2013 |
| DUMAU JAPAN OPEN JIU JITSU CHAMPIONSHIP 2013 | Nov 3, 2013 |
| DUMAU SOUTH JAPAN OPEN JIU JITSU CHAMPIONSHIP 2013 | Dec 15, 2013 |
| DUMAU JIU JITSU JAPAN CUP 2013 | Dec 22, 2013 |